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Pb(No3)2 on Heating Gives a Brown Gas Which Undergoes Dimerisation on Cooling? Identify the Gas - Chemistry

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Pb(NO3)2 on heating gives a brown gas which undergoes dimerisation on cooling? Identify the gas

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Solution

Pb(NO3)2 undergoes a decomposition reaction on heating and produces nitrogen dioxide. It dimerises to give N2O4 gas.

2Pb(NO3)2→ 2PbO+4NO2 +O2

2NO2→N2O4

Concept: P - Block Group 15 Elements - Oxides of Nitrogen
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